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What is meant by the statement, ‘the critical angle for diamond is 24°’? - Physics

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प्रश्न

What is meant by the statement, ‘the critical angle for diamond is 24°’?

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उत्तर

It means that when a light ray is incident inside a diamond at an angle greater than 24°, the light will be totally internally reflected.

Or R.I of diamond is 2.14, `[because 1/(sin24^\circ) = 2.14]`

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